WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION?

5 Answers   L&T,

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What is mean by vector group? For what purposes we doing vector group test in transformers?

2 Answers  

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Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

0 Answers  

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What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

0 Answers  

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Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?

0 Answers  

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WHAT IS THE DG OIL SPECIFICATIONS AND WHAT IS THE DIFFERENCE BETWEEN THE DG OIL AND TRANSFORMER OIL

4 Answers  

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How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 Answers  

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explain why reduced voltage starters are required for large tree phase inudction motor

2 Answers  

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What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

2 Answers   Essar,

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sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

0 Answers  

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What is current divider rule (cdr)?

0 Answers  

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If increased the frequency up to 1000 then what changes shows in voltage?

0 Answers  

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